Home / 64,749.42-89,355.87-36,456.12

Finding the Fourth Proportional to 64,749.42, 89,355.87 and 36,456.12

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Solution

The fourth proportional to 64,749.42, 89,355.87 and 36,456.12 is: 50,310.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,749.42 : 89,355.87 = 36,456.12 : x
  2. Step 2: Convert to fraction form
    64,749.42/89,355.87 = 36,456.12/x
  3. Step 3: Cross multiply
    64,749.42x = 89,355.87 × 36,456.12
  4. Step 4: Simplify right side
    64,749.42x = 3,257,568,319.42
  5. Step 5: Solve for x
    x = 3,257,568,319.42/64,749.42
  6. Step 6: Final answer
    x = 50,310.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.